It mainly acts on the H2 receptors on the parietal cells, competitively inhibiting histamine, inhibiting basal gastric acid secretion, and also inhibiting gastric acid secretion stimulated by food, histamine, pentagastrin, caffeine and insulin; toxicological tests show that it has no mutagenic, carcinogenic or teratogenic effects, and is also non-dependent and non-resistant.

This product can inhibit the synthesis of prostaglandins and has antipyretic, analgesic and anti-inflammatory effects.

Rifampicin is a semi-synthetic broad-spectrum antibacterial drug of the rifamycin class, which has antibacterial activity against a variety of pathogenic microorganisms. The drug has a significant bactericidal effect on Mycobacterium tuberculosis and some non-tuberculous mycobacteria (including Mycobacterium leprae, etc.) both inside and outside the host cells. It has a good antibacterial effect on aerobic Gram-positive bacteria, including enzyme-producing strains of Staphylococcus aureus and methicillin-resistant strains, Streptococcus pneumoniae, other Streptococcus, Enterococcus, Listeria, Bacillus anthracis, Clostridium perfringens, Corynebacterium diphtheriae, anaerobic cocci, etc. It also has a high degree of antibacterial activity against aerobic Gram-negative bacteria such as Neisseria meningitidis, Haemophilus influenzae, and Neisseria gonorrhoeae. It also has a good effect on Legionella, and has an inhibitory effect on pathogens such as Chlamydia trachomatis, lymphogranuloma venereum, and psittacosis.

This product is one of the ingredients of the Chinese medicine bezoar. As an endogenous amino acid in the human body, this product is a central inhibitory transmitter that can regulate the excitability of nerve tissue and body temperature. Therefore, it has antipyretic, sedative, analgesic, anti-inflammatory, anti-rheumatic, and anticonvulsant effects. In addition, it can improve the body's nonspecific immune function.